Steam-A-Seam 2 Double Stick Fusible Tape provides a temporary hold to your fabric until ironed. You can reposition applique and other projects as needed until fused with an iron. After you have ironed Steam-A-Seam 2 Double Stick Fusible Tape, the bond becomes strong and permanent. Steam-A-Seam 2 Double Stick Fusible Tape can be washed and dry-cleaned, although the manufacturer does not recommend drying with dryer sheets. Steam-A-Seam 2 Double Stick Fusible Tape will not gum up your needle. Each package includes one 1/2" x 20-yard roll.